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(No Model.) '4 SheetsSheet 1.

O. N. BUTTON;

FLUID METER.

No. 442,024. Patented Dec. 2, 1890.

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4 Sheets-Sheet 2.

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(No Model.) 4 Sheets-Sheet 3,

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FLUID METER Patented Dec. 2, 1890 Model.) 4 Sheets-Sheet 4.

O. N. BUTTON.

4 FLUID METER.

No. 442,024. Patented Dec. 2, 1890.

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UNITED STATES PATENT OFFICE.

CHAUNOEY N. DUTTON, OF PITTSBURG, PENNSYLVANIA, ASSIGNOR TO THE FUEL GAS AND MANUFACTURING COMPANY, OF SAME PLACE.

FLUID-METER.

SPECIFICATION forming part of Letters Patent No. 442,024, dated December 2, 1890. Application filed August 4, 1888. Serial No. 282,014. (No model.)

To all whom it may concern:

Be it known that I, CHAUNCEY N. DUTTON, of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Fluid-Meters, of which improvements the following is a specification.

My invention relates to fluid-meters of the class or type in which oscillating measuring [0 cups or buckets are employed; and its object is to provide a simple and compact measuring mechanism which can be readily and accurately fitted and maintained in operative position and removed from the meter-casing whenever desired.

The improven'ients claimed are hereinafter fully set forth.

In the accompanying drawings, Figures 1 and 2 are vertical longitudinal sections through a fiuid-m eter embodying my invention at the lines 00 w and y 3 respectively, of Fig. 4; Fig. 3, a plan or top view of the same, the upper casing-section and the measuring-receptacles on one side being removed; Fig. 4, a vertical transverse section at the line z of Fig. 1; Fig. 5, a transverse section through the inlet-passages; and Figs. 6 and 7, bottom and top views, respectively, of the valve.

In the practice of my invention 1 provide a meter-case composed of an upper section 1 and a lower section 2, which are united so as to make tight joints by suitable lateral lugs or flanges and connecting-bolts. A central chamber 3 is formed in the lower section 2, the walls 8 of said chamber extending to or near the top of the section. The volume of the chambers of the casing on each side of the central chamber 3 is reduced as far as practicable by the provision of upwardlyprojecting hollow bosses or displacers 4, the outer and inner walls of which are curved in substantial conformity with the curvature of the walls of the oscillating measuring cups or buckets to be presently described. The chambers around the displacers between the walls 3 of the central chamber .5 and the outer walls of the casing are filled with a suitable sealing'fluid. A

A tapered or conical sleeve or socket 6 is formed on one side of the lower casing section 2, and a correspondingly-formedport-section 7 is fitted truly into said sleeve and secured to the section 2 around the same. A central inlet-nozzle 11, the outer end of which is adapted for connection to a pipe for the supply of the fluid to be measured, is formed in the port-section '7, around which nozzle the port-section is divided by longitudinal partitions, as shown in Fig. 5, into four passages 9. Each of said passages communicates by a lateral port 8, formed in the walls of the port'section 7 and socket 6, with a tube 5 leading through one of the displacers l and terminating with an open end shortly above its top. The ports 8 of the tubes of each opposite pair 6 5 of displacers are located one above and the other below a horizontal plane passing through the axis of the socket 6 and port-section 7 A horizontal transverse bearing-bar 18 is secured to and supported on the port-section 7o '7 through the intermediation of a vertical post or standard 17, which is preferably, as shown, integral with the bar 18. Bearings 19, fixed to the top of the bar 18, support horizontal pivot-pins 20, upon which are j ournaled 7 5 two pairs of frames 21, each pair of which carries on opposite ends two measuring cups or buckets 22. The measuringcups are closed at top and open at bottom, and are adapted to oscillate about the common axes of the pivot-pins 530, theinner walls of each cup being curved in substantial conformity with those of one of the displaccrs 4, around which it fits freely and communicates at all points of its traverse with the tube 5, which passes through the same. The fluid to be measured is admitted to and discharged from the meastiring-cups in their upward and downward movements, respectively, by a rotary valve 12, controlling the passages 9 of the p0rt-section and the communicating ports 8 and tubes 5, said valve being coupled to and actuated by the movements of the measuring -cups, as presently to be described.

A valve-seat 10 is secured upon the inner 5 end of the port-section 7, said valve-seat being provided with ports corresponding in size and relative location with the open inner ends of the passages 9 and inlet-nozzle 11 of the portsection. A valve 12 is fitted truly on the seat 10c 10, and is held thereto with a proper hearing by a spring 13, interposed between the valve and a driving-yoke 14, which is secured upon a valve-shaft l6 and engages recesses on the back of the valve. The shaft 16 is journaled in a bearing in an arch-bar 15, secured to the inner end of the port-section 7. The two inner frames 21 of the measuring-cups are provided-with arms 23, coupled by links 2i to a crank-pin 25, which is secured to a plate 26, fitted to slide in guides in a block 27, fixed to the end of the valveshaft 1(3. Athreaded stem is formed upon one end of the plate 26, its thread being engaged by an adj usting-nut 36, having a recess in its periphery, on which fits a projection orrthe plate 26, so as to pre vent longitudinal movement of the nut while permitting its rotation, such rotation moving the plate 26 and attached crank-pin 25 longitudinally in the block 27, and increasing or diminishing the length of the valve-shaft crank-arm accordingly as the adjnstingenut is turned in one or the other direction. It will be obvious that the range of traverse of the measuring-cups will be correspondingly increased or diminished, as may be desired.

A radial passage 28, covered by a shell 29, is formed in the valve 12, said passage leading from a central port in the valve, which port is constantly in communication with the inlet-nozzle, to a segmental port 30 near its periphery, and a corresponding port 31 ex tends through the valve diametrically opposite the port 30. The ports and 3i are each adapted to communicate with the passages 9 of the port-section 7, the fluid to be measured being delivered from theinlet-nozzle 11 to the measuring-cups 22,.tl1rough the passage 28, port 30, passages 9, ports 8, and tubes 5, and being discharged from the measing-cups into the central chamber 3 of the meter-casing, through the tubes 5, ports 8, passages 9, and port 31. The measured fluid is discharged from the meter through a pipe connected to a nozzle 32 on the upper easingsection 1. The ports 30 and 31 are each of such length as to effect the simultaneous admission of fluid to be measured into two adjacent passages 9 and its simultaneous dis charge through two oppositely-disposed passages, and the opposite tubes 5,1eading from the ports 8 to the measuring-cups, being, as before described, diametrically disposed respectively above and below the horizontal axial plane of the port-section, it will be seen that while fluid is being admitted to the measuring-cup of each pair on one side of the axis of the pivots 20 it will be discharged from the opposite measuring-cupot each pair.

The frames 21, which carry the measuringcups, are so connected to the crank-pin 25 that when one of the frames, as actuated by the charging of one of its measuring-cups, has reached such a position that the crank is on a dead center-that is to say, when the center line of the link 21 coincides with a line drawn through the point of connection with the frame and the axis of the shaft 16 the link 24 of theother frame will beat such an angle to the crank that the movement of said frame will continue the forward rotation of the crank-pin and the connected valvesection 2, in order to admit of the supply to said spaces of a proper sealing fluid to the desired level without removing the upper section 1 and for renewing the sealing fluid from time to time, as may be required. The registering mechanism B, which may be of any suitable construction and does not form part of my present invention, is driven by the engagement of the crank-pin 25 with a driving-arm 35, connected with the registering mechanism, as shown in Fig. 4,

It will be seen that the'port-section 7, which is socketed in the meter-casing, forms the support of the entire measuring mechanism, the measuring-cups being journaled upon a bearin gbar connected to the portsection, and the valve controlling the supply and discharge of fluid to be measured working on a seat on the port-section and its shaft being journaled thereon. The measuring mechanism may consequently be accurately adjusted in proper operative relation and maintained therein; and may be readily removed for the purposes of renewal or repair Whenever required.

I claim as my invention, and desire to secure by Letters Patent 1. In a fluid-meter, the combination of an inclosing-case, a lateral socket thereon, a port section secured in said socket and provided with a central inlet-nozzle and a series of passages and ports for the passage of fluid to be measured, a bearing-bar fixed upon and supported by the port-section, one or more pairs of measuring cups or buckets j ournaled to 05* cillate upon pivots on said bearing-bar, tubes leading from ports in the port-section and socket to the interior of the lllBflSllI'lDg-OHPS, and a rotary valve journaled on the port-section, said valve being coupled to and actuated by the measuring-cups and controlling the supply and discharge of fluid toand from the same through the port-section, substantially as set forth.

2. In a fluid-meter, the combination of an inclosing-case, alateral socket thereon, a portsection secured in said socket and provided with a central inlet-nozzle and a series of lateral passages leading from ports on its inner end to lateral ports in the port-section and sockets, tubes leading upwardly from the lateral ports of the port-section and socket, the opposite tubes communicating, respectively, with a port above and a port below the horizontal central plane of the port-section and socket, a bearing-bar fixed upon and supported by the port-section, measuring-cups journaled to oscillate in pairs upon pivots on said bearing-bar, each above one of the tubes leading from the lateral ports, a rotary valve journaled on the port-section and controlling the inner end ports thereof, and connections coupling said valve to the measuring-cups, substantially as set forth.

3. In a fluid-meter, the combination of an inclosi rig-case, a lateral socket thereon, a portsection secured in said socket and provided with ports and passages for the supply and discharge of fluid to be measured to and from measuring cups or buckets, a rotary valve journaled on the port-section and controlling ports therein, in easuring' cu ps or buckets jour- 

